4418131 has 2 divisors, whose sum is σ = 4418132. Its totient is φ = 4418130.

The previous prime is 4418123. The next prime is 4418143. The reversal of 4418131 is 1318144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4418131 - 2³ = 4418123 is a prime.

It is a super-2 number, since 2×4418131² = 39039763066322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4418111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209065 + 2209066.

It is an arithmetic number, because the mean of its divisors is an integer number (2209066).

Almost surely, 2^4418131 is an apocalyptic number.

4418131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4418131 is an equidigital number, since it uses as much as digits as its factorization.

4418131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 4418131 is about 2101.9350608427. The cubic root of 4418131 is about 164.0890231526.

The spelling of 4418131 in words is "four million, four hundred eighteen thousand, one hundred thirty-one".